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Samsung Galaxy S21+ 5G vs Xiaomi Mix 4

Samsung Galaxy S21+ 5G SamsungGalaxy S21+ 5G
VS
Xiaomi Mix 4 XiaomiMix 4

The third device is shown on desktop screens only

General

Device Type
Smart Phone
Smart Phone
Device Name
SM-G996BSM-G996B/DSSM-G996USM-G996U1SM-G996WSM-G996NSM-G9960
Xiaomi Mix 4
Announced
January 2021
August 2021
Released
January 2021
August 2021
Colors
Phantom BlackPhantom SilverPhantom VioletPhantom PinkPhantom GoldPhantom Red
Ceramic BlackCeramic WhiteShadow Grey

Design

Length
161.5 mm (6.36 in)
162.6 mm (6.40 in)
Width
75.6 mm (2.98 in)
75.4 mm (2.97 in)
Thickness
7.8 mm (0.31 in)
8 mm (0.31 in)
Weight
200 g (Sub6)202 g (mmWave)
225 g (7.94 oz)
Materials
Glass back (Gorilla Glass Victus)
Ceramic back
On both: Glass front (Gorilla Glass Victus), Aluminum frame

Network

2G Network
Yes
Yes
3G Network
Yes
Yes
4G Network
Yes
Yes
5G Network
Yes
Yes
GPRS
Yes
Yes
EDGE
Yes
Yes
SIM
Nano SIM/eSIM
Nano SIM
Multi SIM
Single SIM or Dual SIM
Dual SIM
Speed
3G Up to 42 MB4G Up to 2 GB5G Up to 7.5 GB
Same on both

Display

Display Type
Dynamic AMOLED 2X
AMOLED
Size
6.7 Inches
6.67 Inches
Refresh Rate
120 Hz
120 Hz
Resolution
1080x2400 Pixels (FHD+)
1080x2400 Pixels (FHD+)
Screen Ratio
88.3%
87.6%
Aspect Ratio
20:9
20:9
Pixel Density
394 PPI
395 PPI
Brightness Level
1300 Nits
800 Nits
Display Protection
Corning Gorilla Glass Victus
Corning Gorilla Glass Victus
Features
Hole-punch NotchFrameless16M Colors
Dolby VisionWithout NotchEye Care DisplayDark Mode1B Colors
On both: HDR10+, Always-on Display, Capacitive, Multi-touch

Hardware

Chipset
Samsung Exynos 2100 (Global)Snapdragon 888 (USA/China)
Qualcomm Snapdragon 888 Plus
Manufacturing Technology
5 nm
5 nm
CPU Type
Octa-core
8 (Octa-core)
CPU
Exynos 2100 (1x2.9 GHz & 3x2.80 & 4x2.2 GHz)Snapdragon 888 (1x2.84 & 3x2.42 GHz & 4x1.80 GHz)
1x2.99 GHz (Kryo 680)3x2.42 GHz (Kryo 680)4x1.80 GHz (Kryo 680)
GPU
Mali-G78 MP14 (Exynos 2100)Adreno 660 (Snapdragon 888)
Adreno 660
RAM (Memory)
8 GB
8/12 GB8 GB (128 GB)8 GB (256 GB)12 GB (256 GB)12 GB (512 GB)
Internal Storage
128/256 GB
128/256/512 GB
Storage Type
UFS 3.1
UFS 3.1
Ram Type
LPDDR5
LPDDR5
Card Slot
No
No

Software

OS
Android 11
Android 11
User Interface
One UI 3.1
MIUI 12.5

Main camera

Camera Setup
—
Triple Camera
Resolution
—
108 MP + 8 MP + 13 MP
Camera
—
108 MP: Standard (OIS)8 MP: Periscope Telephoto (OIS)13 MP: Ultrawide
Triple
First Camera: 12 MP (Standard)Second Camera: 64 MP (Telephoto)Third Camera: 12 MP (Ultrawide)
—
Aperture Size
First Camera: F/1.8Second Camera: F/2.0Third Camera: F/2.2
F/1.9 (108 MP)F/4.1 (8 MP)F/2.2 (13 MP)
Sensor
—
Samsung HMX (108 MP)Unknown (8 MP)Unknown (13 MP)
Stabilization
—
Optical Stabilization (OIS)Electronic Stabilization (EIS)
Zoom
—
Optical Zoom 5xDigital Zoom 50x
Slow Motion
—
FHD 1080P@480fpsFHD 1080P@120fps
Video
HDR10+Slow MotionElectronic Stabilization (EIS)
HDR10+ Recording
On both: 8K 4320P@24fps, 4K 2160P@30/60fps, FHD 1080P@30/60fps
Flash
Yes
Yes
More details (1)Camera Features
Camera Features
Optical Stabilization (OIS)Optical Zoom 1.1xHybrid Zoom 3xDigital Zoom 30x
Laser AF
On both: Autofocus (AF), Night Mode, Portrait Mode, Pro Mode, AI Scene Detection, Continuous shooting, Panorama, Exposure compensation, Face detection, Geotagging, HDR, ISO settings, Scene mode, Self-timer, Touch focus, White balance settings

Selfie Camera

-
—
Under Display
Camera
10 MP
20 MP
Aperture Size
F/2.2
—
Video
4K 2160P@30/60fpsFHD 1080P@30fps
FHD 1080P@30fps
Flash
No
No
More details (1)Camera Features
Camera Features
Autofocus (AF)
Night Mode
On both: Portrait Mode, Beauty Mode, Face Detection, Gesture Shot, HDR

Connectivity

Wi-Fi
a/b/g/n/ac/6
a/b/g/n/ac/6e
On both: Wi-Fi 802.11, Dual-band, Wi-Fi Direct, Hotspot
Bluetooth
5.0
5.2aptX HD
On both: A2DP, LE
Location
No extras
QZSSNavIC
On both: GPS, A-GPS, GLONASS, GALILEO, BDS
NFC
Yes
Yes
IR blaster
—
Yes
USB
USB Type-C 3.2
USB Type-C 2.0

Media

Loudspeaker
Yes - Stereo speakers
Yes - Stereo speakers
3.5mm jack
No
No
FM Radio
Yes (Snapdragon model only)• 32-bit/384kHz audio • Sound by AKG
No• Sound by Harman Kardon • 24-bit/192kHz

Other specifications

Sensors
Barometer
Color spectrum
On both: Accelerometer, Gyroscope, Proximity, Compass
Lock Type
Fingerprint (Under Display - Ultrasonic)
Fingerprint (Under Display)
On both: Facial Recognition, Pattern, PIN, Password
Water/Dust Resistant
Yes - IP68 dust/water resistant (up to 1.5m for 30 mins)
Dust and splash resistance (IP53)
Box Contents
No extras
Power Adapter (120 W)Protective CaseUltra Wideband (UWB)
On both: Device, USB Cable, SIM Eject Tool, Quick start guide
Other Features
Samsung PaySamsung DeXBixby
—

Charging and Battery

Fast Charging
Yes - 25 W
Yes - 120 W (100% in 15 min)
Wireless Charging
Yes - 15 WReverse wireless charging 4.5W
Yes - 50 W (100% in 28 min)
Capacity
4800 mAh
4500 mAh

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Copyright © 2026 NXT Test. All Rights Reserved